Finding the Fourth Proportional to 750.96, 1,035.08 and 517.68
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Solution
The fourth proportional to 750.96, 1,035.08 and 517.68 is: 713.54
Step by Step Solution
- Step 1: Write the proportion equation
750.96 : 1,035.08 = 517.68 : x - Step 2: Convert to fraction form
750.96/1,035.08 = 517.68/x - Step 3: Cross multiply
750.96x = 1,035.08 × 517.68 - Step 4: Simplify right side
750.96x = 535,840.21 - Step 5: Solve for x
x = 535,840.21/750.96 - Step 6: Final answer
x = 713.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.